CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Sep. 30, 2015		Dec. 31, 2014
Current assets:
Cash and cash equivalents		$ 227,855	[1],[2]	$ 291,377	[3]
Short-term investments		1,827	[1]	2,310	[3]
Receivables from licensees and other		594	[1]	300	[3]
Deferred tax assets		0	[1]	375	[3]
Notes receivable		67,246	[1]	57,597	[3]
Prepaid and other current assets		9,166	[1]	3,938	[3]
Total current assets		306,688	[1]	355,897	[3]
Property and equipment, net		42	[1]	62	[3]
Royalty rights		384,572	[1]	259,244	[3]
Notes and other receivables, long-term		286,160	[1]	305,615	[3]
Long-term deferred tax assets		36,499	[1]	33,799	[3]
Other assets		6,640	[1]	7,733	[3]
Total assets		1,020,601	[1]	962,350	[3]
Current liabilities:
Accounts payable		421	[1]	318	[3]
Accrued liabilities		32,711	[1]	8,876	[3]
Accrued Income Taxes, Current		0	[1]	3,293	[3]
Deferred Tax Liabilities		11,615		0
Term loan payable	[1]	49,842		0
Convertible Notes Payable, Current		0	[1]	175,496	[3]
Total current liabilities		94,589	[1]	187,983	[3]
Convertible notes payable		281,581	[1]	276,228	[3]
Other long-term liabilities		48,474	[1]	37,702	[3]
Total liabilities		$ 424,644	[1]	$ 501,913	[3]
Commitments and contingencies (Note 8)			[1]		[3]
Stockholders' deficit:
Preferred stock, par value $0.01 per share, 10,000 shares authorized; no shares issued and outstanding		$ 0	[1]	$ 0	[3]
Common stock, par value $0.01 per share, 350,000 shares authorized; 163,573 and 162,186 shares issued and outstanding at September 30, 2015 and December 31, 2014, respectively		1,636	[1]	1,622	[3]
Additional paid-in capital		(118,540)	[1]	(119,874)	[3]
Accumulated other comprehensive income		3,391	[1]	2,949	[3]
Retained earnings		709,470	[1]	575,740	[3]
Total stockholders' equity		595,957	[1]	460,437	[3]
Total liabilities and stockholders' equity		$ 1,020,601	[1]	$ 962,350	[3]

[1] unaudited

[2] unaudited

[3] Note 1